* {
    padding: 0;
    margin: 0;
    /*background:red*/;
    cursor: url("../cursor/arrow.cur"), default;
}

.sec-header {
    width: auto;
    height: 61px;
    padding: 10px 0;
    z-index: 2;
    /*display: flex;*/
    /*background: wheat;*/
}


.sec-content {
    padding: 0;
    margin: 0;
    flex: auto;
    /*transform: translateY(-44px);*/
    background: rgba(242,242,242,0.15);
}

.desc-content {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
    display: flex;
    height: 100%;
}

nav {
    vertical-align: center;
    flex-direction: column;
    width: 250px;
    /*background-color: #CCCCCC;*/
    background-color: rgba(153,153,153,0.5);
}

.self-sidebar > h2 {
    padding: 15px 20px;
    /*background: #999999;*/
    color: white;
}

.self-sidebar > h2:hover {
    cursor: url("../cursor/link.cur"), pointer;
    background-color: #CC99CC;
}

/*#introduction a {
    color: white;
}

#introduction a:hover {
    color: white;
    cursor: url("../cursor/link.cur"), pointer;
}*/

.self-sidebar li a {
    display: block;
    color: #f2f2f2;
    text-decoration: none;
    background-color: rgba(153,153,153,0.3);
    padding: 10px 20px;
}

.self-sidebar li a:hover {
    font-weight: bold;
    background-color: gray;
    color: white;
    cursor: url("../cursor/link.cur"), pointer;
}
.self-sidebar ul {
    padding: 0;
    display: none;
    /*list-style: none;*/
}

.text-content {
    height: auto;
    background-color: rgba(255, 255, 255, 0.45);
    margin: 15px 25px 15px 25px;
    padding: 15px 25px 15px 25px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
    display: flex;
    flex-direction: column;
}

.text-content h1 {
    text-align: center;
}

.text-content>p {
    padding-top: 2px;
    padding-bottom: 2px;
    text-indent: 2em;
    line-height: 1.5;
}

.labs-image {
    width: 50%;
    margin-left: auto;
    margin-right: auto;
}
